Home / 13,236.48-18,264.18-7,570.31

Finding the Fourth Proportional to 13,236.48, 18,264.18 and 7,570.31

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Solution

The fourth proportional to 13,236.48, 18,264.18 and 7,570.31 is: 10,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.48 : 18,264.18 = 7,570.31 : x
  2. Step 2: Convert to fraction form
    13,236.48/18,264.18 = 7,570.31/x
  3. Step 3: Cross multiply
    13,236.48x = 18,264.18 × 7,570.31
  4. Step 4: Simplify right side
    13,236.48x = 138,265,504.50
  5. Step 5: Solve for x
    x = 138,265,504.50/13,236.48
  6. Step 6: Final answer
    x = 10,445.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.